506389996 has 24 divisors (see below), whose sum is σ = 1047705120. Its totient is φ = 209540352.

The previous prime is 506389969. The next prime is 506389997. The reversal of 506389996 is 699983605.

It is not an unprimeable number, because it can be changed into a prime (506389997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311005 + ... + 312628.

It is an arithmetic number, because the mean of its divisors is an integer number (43654380).

Almost surely, 2^506389996 is an apocalyptic number.

It is an amenable number.

506389996 is an abundant number, since it is smaller than the sum of its proper divisors (541315124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506389996 is a wasteful number, since it uses less digits than its factorization.

506389996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623673 (or 623671 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 55.

The square root of 506389996 is about 22503.1108071751. The cubic root of 506389996 is about 797.0673857699.

It can be divided in two parts, 5063 and 89996, that added together give a palindrome (95059).

The spelling of 506389996 in words is "five hundred six million, three hundred eighty-nine thousand, nine hundred ninety-six".